By some accounts, McChrystal's career should have been over at least two times by now. As Pentagon spokesman during the invasion of Iraq, the general seemed more like a White House mouthpiece than an up-and-coming commander with a reputation for speaking his mind. When Defense Secretary Donald Rumsfeld made his infamous "stuff happens" remark during the looting of Baghdad, McChrystal backed him up. A few days later, he echoed the president's Mission Accomplished gaffe by insisting that major combat operations in Iraq were over. But it was during his next stint – overseeing the military's most elite units, including the Rangers, Navy Seals and Delta Force – that McChrystal took part in a cover-up that would have destroyed the career of a lesser man.
After Cpl. Pat Tillman, the former-NFL-star-turned-Ranger, was accidentally killed by his own troops in Afghanistan in April 2004, McChrystal took an active role in creating the impression that Tillman had died at the hands of Taliban fighters. He signed off on a falsified recommendation for a Silver Star that suggested Tillman had been killed by enemy fire. (McChrystal would later claim he didn't read the recommendation closely enough – a strange excuse for a commander known for his laserlike attention to minute details.) A week later, McChrystal sent a memo up the chain of command, specifically warning that President Bush should avoid mentioning the cause of Tillman's death. "If the circumstances of Corporal Tillman's death become public," he wrote, it could cause "public embarrassment" for the president.
"The false narrative, which McChrystal clearly helped construct, diminished Pat's true actions," wrote Tillman's mother, Mary, in her book Boots on the Ground by Dusk. McChrystal got away with it, she added, because he was the "golden boy" of Rumsfeld and Bush, who loved his willingness to get things done, even if it included bending the rules or skipping the chain of command. Nine days after Tillman's death, McChrystal was promoted to major general.